UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS

International General Certificate of Secondary Education

0610/13

BIOLOGY
Paper 1 Multiple Choice

October/November 2013
45 minutes

Additional Materials:

*3932117087*

Multiple Choice Answer Sheet

Soft clean eraser
Soft pencil (type B or HB is recommended)

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.
Do not use staples, paper clips, highlighters, glue or correction fluid.
Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided
unless this has been done for you.
DO NOT WRITE IN ANY BARCODES.
There are forty questions on this paper. Answer all questions. For each question there are four possible
answers A, B, C and D.
Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer.
Any rough working should be done in this booklet.
Electronic calculators may be used.

This document consists of 18 printed pages and 2 blank pages.

IB13 11_0610_13/4RP
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1

The diagram shows how a plant, called a Venus fly-trap, reacts to a fly landing on it.

fly trapped

a fly lands on a leaf

the fly is digested by juices

produced by the leaf

Which characteristics of living things are shown by the plant in the diagram?
A
B

growth and sensitivity

nutrition and reproduction

D
2

excretion and growth

nutrition and sensitivity

The diagram shows the external features of an animal.

To which class does it belong?

A

amphibians

fish

mammals

reptiles

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3

The diagram shows an arthropod.

pincer

legs

To which group does it belong?

A
B

arachnids

insects

D
4

annelids

myriapods

The diagram shows a small animal.

Use the key to identify the animal.

1

has wings .......................................... go to 2

has no wings ..................................... go to 3

has one pair of legs per segment ....... A

has two pairs of legs per segment ..... B

has one pair of antennae ................... C

has two pairs of antennae ................. D

Which diagram shows a liver cell?

A

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6

What is a feature of both plant and animal cells?

A
B

a cell wall

a large vacuole

D
7

a cell membrane

chloroplasts

The diagram shows a students drawing of guard cells.

Which label line is incorrect?
A cell membrane
B cytoplasm
C stoma
D cell wall

The diagram shows structures that form the surface of the trachea.

Which level of organisation is the structure labelled S?

A

cell

organ

organ system

tissue

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9

What is a correct description of red blood cells?

thin region in
the cell centre

large nucleus

10 The diagrams show an experiment when set up and the same experiment two hours later.
when set up

two hours later

partially
permeable
membrane

concentrated
sugar solution
coloured with dye

pure
water

dye has
moved
into this
side

What explains the movement of water and dye?

movement of water

movement of dye

diffusion

osmosis

osmosis

diffusion

osmosis

translocation

translocation

diffusion

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11 Which diagram shows the appearance of a plant cell several minutes after it has been placed in a
concentrated solution of sugar?

12 Two enzyme-controlled reactions are shown.

amino acids
proteins

enzyme 1

enzyme 2

proteins

amino acids

From these reactions, what deduction can be made about enzymes?

A

Enzyme 1 has been changed to enzyme 2.

Enzyme 2 slows down the production of amino acids.

Enzymes can build up large molecules.

Enzymes only break down large molecules.

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13 The graphs show the quantities of selected vitamins and mineral ions in four foods.
vitamin C
mg per 100 g

vitamin D
g per 100 g

iron
mg per 100 g

calcium
mg per 100 g

20

10

100

10

50

beans
egg
fish
fruit

150

beans
egg
fish
fruit

beans
egg
fish
fruit

15

beans
egg
fish
fruit

30

Which food is the richest source of the vitamin or mineral ions essential for the transport of
oxygen by the blood?
A

beans

egg

fish

fruit

14 Four foods were tested for each of the following nutrients:

fat (using ethanol);
protein (using the biuret test);
reducing sugar (using Benedicts solution),
Which food contains protein and fat?
colour of result of food test
purple / lilac

brick-red / orange

milky-white

key

= nutrient present

= nutrient absent

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15 The diagram shows some of the organs of the human body.

In which organs does the digestion of carbohydrates take place?

A

P and Q

P and R

Q and R

Q and S

16 The diagram shows the circulatory system of a mammal.

capillary
network
in lungs
X
right atrium

left atrium

right ventricle

left ventricle

Y
capillary network
in body organs
What describes the blood in vessels X and Y?
X

deoxygenated

deoxygenated

deoxygenated

oxygenated

oxygenated

deoxygenated

oxygenated

oxygenated

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17 Which statements about plant transpiration are correct?
plants transpire most when

plants transpire least when

air is dry

temperature is high

light intensity is high

air is humid

light intensity is low

temperature is low

temperature is cold

light intensity is high

18 The diagram shows two shoots at the start of an experiment on transpiration.

shoot X

shoot Y
spring balance

30 g

30 g

oil

water

What are the likely readings on the spring balances after three days?
shoot X

shoot Y

30 g

30 g

30 g

25 g

25 g

30 g

25 g

25 g

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19 The diagram shows some structures in the human neck and thorax.
Q

The lining of tube Q has cilia.

What is an important function of the cilia?
A

to help in the exchange of gases

to increase the internal surface area of tube Q

to moisten the air entering and leaving the lungs

to move mucus towards the throat

20 Which process uses the greatest amount of energy?

A

gaseous diffusion

protein synthesis

respiration

starch digestion

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21 The table shows the approximate composition of air breathed out by a mammal.
air breathed out / %

gas
nitrogen

80

oxygen

16

carbon dioxide

Where did the nitrogen in the air breathed out come from?
A

It was a product of proteins broken down in the mammal.

It was a product of respiration.

It was in the air that was breathed in.

It was exchanged for oxygen which was taken into the blood.

22 A person has a high-protein diet.

What describes the level of urea in the blood leaving the liver and in the urine leaving the
kidneys?
urea in blood
leaving liver

urea in urine
leaving kidneys

high

high

high

low

low

high

low

low

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23 The diagram shows some blood vessels near the surface of the skin.
skin surface

blood flow
X

If vasoconstriction occurs at X, what happens to the blood flow at Y and Z?

Y

decreases

decreases

decreases

stays constant

increases

increases

increases

stays constant

24 At night, a man looks at the stars and then begins to read a map using a bright lamp.
How do the shape of his lenses and the size of his pupils change?
lenses

pupils

fatter

larger

fatter

smaller

thinner

larger

thinner

smaller

25 What is the main function of sweating?

A

to excrete urea

to remove excess salts

to clean the pores

to cool the body

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26 Which method of birth control works by preventing an egg from being released?
A

condom

contraceptive pill

rhythm method

vasectomy

27 The diagram shows the human female reproductive system.

X

Sometimes a woman may be unable to have a baby because the tube at X becomes blocked.
Which processes are prevented?
fertilisation

implantation

ovulation

key

= prevented

= not prevented

28 The graph shows the growth curve of a plant.

4
3

dry mass

seed

2
1
time

At which two stages is growth not occurring?

A

1 and 4

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29 The diagram shows a typical human growth curve from birth to 20 years.
175
150
125
height 100
/ cm
75
50
25
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
age / years
During which years is the growth rate greatest?
A

0 2 years

8 10 years

12 14 years

18 20 years

30 Albinism in humans is caused by a recessive allele.

Parents who do not suffer from the condition produce an albino child.
What is the probability that their second child will be born albino?
A

25%

50%

75%

31 An individual has the genotype Bb.

What is the correct description of this genotype?
A

heterozygous, with two different alleles of the same gene

heterozygous, with two different genes of the same allele

homozygous, with two different alleles of the same gene

homozygous, with two different genes of the same allele

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32 The diagram shows the inheritance of flower colour in pea plants.

purple flowers

parents

white flowers

PP

pp

genotypes

gametes

Pp

F1 genotypes

white flowers

purple flowers

phenotype

gametes

Pp

p
Z

F2 genotypes

PP

Pp

Pp

white flowers

purple flowers

phenotype

ratio

pp

At which stages in the diagram does meiosis occur?

A

W and Y

W and Z

X and Y

X and Z

33 In an ecosystem, what happens to most of the chemical energy in the decomposers?

A

It becomes heat.

It is transferred back to the producers.

It is transferred back to both producers and consumers.

It is destroyed.

34 The three-toed sloth is a mammal that lives in the forests of Central America. Sloths are eaten by
wild cats such as jaguars and also by snakes. The sloths mainly eat leaves.
What is the original source of the energy supplied to the jaguars?
A

leaves

sloths

snakes

Sun

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35 The diagram shows a food web.
foxes

hawks
carnivorous
insects

toads and lizards

X
spiders
voles

herbivorous
insects

vegetation, fruits and seeds

What type of organism is X?

A

a carnivore

a decomposer

a herbivore

a producer

36 The diagram shows part of the water cycle.

sea

cows

What must occur for water in the sea to reach the cows?
A

condensation only

condensation, then evaporation

evaporation, then condensation

evaporation only

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37 The diagram represents part of the carbon cycle.

carbon dioxide
in air

plants

animals

fossil fuels

dead matter
What is missing from this diagram?
A

an arrow from animals to plants

an arrow from carbon dioxide in the air to animals

an arrow from carbon dioxide in the air to fossil fuels

an arrow from plants to animals

38 The graphs show the changes in the populations of predator and prey over a period of time.
Which point on the graph shows a decrease in predator population?

number of
individuals
D

B
time

39 Which feature of deforestation has the greatest effect on the atmosphere?

A

extinction of forest animal species

increased risk of flooding

reduction of photosynthesis

soil erosion

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40 In a pyramid of numbers, what does the top of the pyramid represent?
A

carnivores

decomposers

herbivores

Sun

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